Function setWaveformLoading

static/js/player.js:714–733

(loading, phrase)

let _currentHasVideo = false;

export function setWaveformLoading(loading, phrase) {
  const el = document.getElementById("waveLoadingOverlay");
  if (!el) return;
  if (loading) {
    _loadingShownAt = performance.now();
    const phraseEl = document.getElementById("waveLoadingPhrase");
    if (phraseEl && phrase !== undefined) phraseEl.textContent = phrase;
    else if (phraseEl && !phraseEl.textContent) phraseEl.textContent = "Still loading waveform…";
    el.classList.remove("hidden");
  } else {
    const elapsed = performance.now() - _loadingShownAt;
    const delay = Math.max(0, _LOADING_MIN_MS - elapsed);
    window.setTimeout(() => {
      el.classList.add("hidden");
      el.classList.remove("stalled");
      const phraseEl = document.getElementById("waveLoadingPhrase");
      if (phraseEl) phraseEl.textContent = "";
    }, delay);
  }
}

export function buildStripStems() {
  const container = document.getElementById("appbarStripStems");